for the largest revamp of america's healthcare system since the 1960's. in the near term, the court is expected to hear cases on a number of highly contentious issues, ranging from affirmative action and same-sex marriage, to corporate accountability for international human rights violations, and phone rights. john roberts cast the final vote for the health care act, raising questions about whether the conservative justice will continue to ally himself with more liberal elements of the bench. oral arguments today will be the first public session since the justices delivered the healthcare ruling in june. to talk about the significance of the case before the court, we are joined by the presidents f for alliance for justice. talk about the last decision, the last time the justices were together, what does it mean, it significant? particularly, justice roberts' vote? >> good morning. it is a tree to be here. i am one of your most loyal fans. last year, we had a blockbuster case with the court deciding the constitutionality of president obama's health care law. to many, the decision was a surprise.